You might not need them to see your favorite acts Aug. 5-7 in Grant Park.

Lollapalooza Party Guide

YouTube is expected to announce Friday plans to live stream Lollapalooza and Austin City Limits. The Chicago music festival will be promoted with a "Lollapalooza Week" on YouTube, and festival streaming will include live coverage of bands.

Lollapalooza Fashion: Hits and Misses

Headliners include Eminem, Foo Fighters, Coldplay and Muse. Changes this year include a newly-expanded dance music area.

"For those of us who can't make it — we have YouTube," said Lolla founder Perry Farrell in a statement to the Associated Press. "Be a voyeur to this year's Lollapalooza. Watch as musicians offer their souls and the crowd devours them. You just may forget that you aren't really there."